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class="mw-list-item"><a href="/wiki/Portaal:Navigatie"><span>Vind een artikel</span></a></li><li id="n-today" class="mw-list-item"><a href="/wiki/23_november"><span>Vandaag</span></a></li><li id="n-Etalage" class="mw-list-item"><a href="/wiki/Wikipedia:Etalage"><span>Etalage</span></a></li><li id="n-categories" class="mw-list-item"><a href="/wiki/Categorie:Alles"><span>Categorieën</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Speciaal:RecenteWijzigingen" title="Een lijst met recente wijzigingen in deze wiki. 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Dit is echter niet verplicht." class=""><span>Account aanmaken</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Speciaal:Aanmelden&returnto=Denial+of+service" title="U wordt van harte uitgenodigd om aan te melden, maar dit is niet verplicht [o]" accesskey="o" class=""><span>Aanmelden</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Meer opties" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Persoonlijke hulpmiddelen" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Persoonlijke hulpmiddelen</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Gebruikersmenu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_nl.wikipedia.org&uselang=nl"><span>Doneren</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speciaal:GebruikerAanmaken&returnto=Denial+of+service" title="Registreer u vooral en meld u aan. 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class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Inhoud</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">naar zijbalk verplaatsen</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">verbergen</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Top</div> </a> </li> <li id="toc-Soorten_DoS" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Soorten_DoS"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Soorten DoS</span> </div> </a> <button aria-controls="toc-Soorten_DoS-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Soorten DoS-subkopje inklappen</span> </button> <ul id="toc-Soorten_DoS-sublist" class="vector-toc-list"> <li id="toc-DoS-aanval" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#DoS-aanval"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>DoS-aanval</span> </div> </a> <ul id="toc-DoS-aanval-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Toevallige_DoS" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Toevallige_DoS"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Toevallige DoS</span> </div> </a> <ul id="toc-Toevallige_DoS-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Zie_ook" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Zie_ook"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Zie ook</span> </div> </a> <ul id="toc-Zie_ook-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Externe_link" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Externe_link"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Externe link</span> </div> </a> <ul id="toc-Externe_link-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Inhoud" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Inhoudsopgave omschakelen" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Inhoudsopgave omschakelen</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Denial of service</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ga naar een artikel in een andere taal. Beschikbaar in 57 talen" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-57" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">57 talen</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%87%D8%AC%D9%85%D8%A7%D8%AA_%D8%A7%D9%84%D8%AD%D8%B1%D9%85%D8%A7%D9%86_%D9%85%D9%86_%D8%A7%D9%84%D8%AE%D8%AF%D9%85%D8%A7%D8%AA" title="هجمات الحرمان من الخدمات – Arabisch" lang="ar" hreflang="ar" data-title="هجمات الحرمان من الخدمات" data-language-autonym="العربية" data-language-local-name="Arabisch" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Ataque_de_denegaci%C3%B3n_de_serviciu" title="Ataque de denegación de serviciu – Asturisch" lang="ast" hreflang="ast" data-title="Ataque de denegación de serviciu" data-language-autonym="Asturianu" data-language-local-name="Asturisch" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/DoS-h%C3%BCcum" title="DoS-hücum – Azerbeidzjaans" lang="az" hreflang="az" data-title="DoS-hücum" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbeidzjaans" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Attacke_zua_Deanstblockade" title="Attacke zua Deanstblockade – Beiers" lang="bar" hreflang="bar" data-title="Attacke zua Deanstblockade" data-language-autonym="Boarisch" data-language-local-name="Beiers" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%90%D1%82%D0%B0%D0%BA%D0%B0_%D0%B7%D0%B0_%D0%BE%D1%82%D0%BA%D0%B0%D0%B7_%D0%BD%D0%B0_%D1%83%D1%81%D0%BB%D1%83%D0%B3%D0%B0" title="Атака за отказ на услуга – Bulgaars" lang="bg" hreflang="bg" data-title="Атака за отказ на услуга" data-language-autonym="Български" data-language-local-name="Bulgaars" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A1%E0%A6%BF%E0%A6%A8%E0%A6%BE%E0%A6%87%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B2_%E0%A6%85%E0%A6%AC_%E0%A6%B8%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%AD%E0%A6%BF%E0%A6%B8" title="ডিনাইয়াল অব সার্ভিস – Bengaals" lang="bn" hreflang="bn" data-title="ডিনাইয়াল অব সার্ভিস" data-language-autonym="বাংলা" data-language-local-name="Bengaals" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Atac_de_denegaci%C3%B3_de_servei" title="Atac de denegació de servei – Catalaans" lang="ca" hreflang="ca" data-title="Atac de denegació de servei" data-language-autonym="Català" data-language-local-name="Catalaans" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%95%DB%8E%DA%AF%DB%95%DA%AF%D8%B1%D8%AA%D9%86_%D9%84%DB%95_%D8%AE%D8%B2%D9%85%DB%95%D8%AA%DA%AF%D9%88%D8%B2%D8%A7%D8%B1%DB%8C" title="ڕێگەگرتن لە خزمەتگوزاری – Soranî" lang="ckb" hreflang="ckb" data-title="ڕێگەگرتن لە خزمەتگوزاری" data-language-autonym="کوردی" data-language-local-name="Soranî" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Denial_of_service" title="Denial of service – Tsjechisch" lang="cs" hreflang="cs" data-title="Denial of service" data-language-autonym="Čeština" data-language-local-name="Tsjechisch" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Denial_of_Service" title="Denial of Service – Duits" lang="de" hreflang="de" data-title="Denial of Service" data-language-autonym="Deutsch" data-language-local-name="Duits" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%95%CF%80%CE%B9%CE%B8%CE%AD%CF%83%CE%B5%CE%B9%CF%82_%CE%AC%CF%81%CE%BD%CE%B7%CF%83%CE%B7%CF%82_%CF%85%CF%80%CE%B7%CF%81%CE%B5%CF%83%CE%B9%CF%8E%CE%BD" title="Επιθέσεις άρνησης υπηρεσιών – Grieks" lang="el" hreflang="el" data-title="Επιθέσεις άρνησης υπηρεσιών" data-language-autonym="Ελληνικά" data-language-local-name="Grieks" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Denial-of-service_attack" title="Denial-of-service attack – Engels" lang="en" hreflang="en" data-title="Denial-of-service attack" data-language-autonym="English" data-language-local-name="Engels" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Ataque_de_denegaci%C3%B3n_de_servicio" title="Ataque de denegación de servicio – Spaans" lang="es" hreflang="es" data-title="Ataque de denegación de servicio" data-language-autonym="Español" data-language-local-name="Spaans" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Teenuset%C3%B5kestusr%C3%BCnne" title="Teenusetõkestusrünne – Estisch" lang="et" hreflang="et" data-title="Teenusetõkestusrünne" data-language-autonym="Eesti" data-language-local-name="Estisch" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Zerbitzu_ukapenaren_eraso" title="Zerbitzu ukapenaren eraso – Baskisch" lang="eu" hreflang="eu" data-title="Zerbitzu ukapenaren eraso" data-language-autonym="Euskara" data-language-local-name="Baskisch" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AD%D9%85%D9%84%D9%87_%D9%85%D8%AD%D8%B1%D9%88%D9%85%E2%80%8C%D8%B3%D8%A7%D8%B2%DB%8C_%D8%A7%D8%B2_%D8%B3%D8%B1%D9%88%DB%8C%D8%B3" title="حمله محروم‌سازی از سرویس – Perzisch" lang="fa" hreflang="fa" data-title="حمله محروم‌سازی از سرویس" data-language-autonym="فارسی" data-language-local-name="Perzisch" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Palvelunestohy%C3%B6kk%C3%A4ys" title="Palvelunestohyökkäys – Fins" lang="fi" hreflang="fi" data-title="Palvelunestohyökkäys" data-language-autonym="Suomi" data-language-local-name="Fins" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Attaque_par_d%C3%A9ni_de_service" title="Attaque par déni de service – Frans" lang="fr" hreflang="fr" data-title="Attaque par déni de service" data-language-autonym="Français" data-language-local-name="Frans" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Ionsa%C3%AD_di%C3%BAltaithe_seirbh%C3%ADse" title="Ionsaí diúltaithe seirbhíse – Iers" lang="ga" hreflang="ga" data-title="Ionsaí diúltaithe seirbhíse" data-language-autonym="Gaeilge" data-language-local-name="Iers" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Ataque_de_denegaci%C3%B3n_de_servizo" title="Ataque de denegación de servizo – Galicisch" lang="gl" hreflang="gl" data-title="Ataque de denegación de servizo" data-language-autonym="Galego" data-language-local-name="Galicisch" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%AA%D7%A7%D7%A4%D7%AA_%D7%9E%D7%A0%D7%99%D7%A2%D7%AA_%D7%A9%D7%99%D7%A8%D7%95%D7%AA" title="התקפת מניעת שירות – Hebreeuws" lang="he" hreflang="he" data-title="התקפת מניעת שירות" data-language-autonym="עברית" data-language-local-name="Hebreeuws" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Napad_uskra%C4%87ivanjem_resursa" title="Napad uskraćivanjem resursa – Kroatisch" lang="hr" hreflang="hr" data-title="Napad uskraćivanjem resursa" data-language-autonym="Hrvatski" data-language-local-name="Kroatisch" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Szolg%C3%A1ltat%C3%A1smegtagad%C3%A1ssal_j%C3%A1r%C3%B3_t%C3%A1mad%C3%A1s" title="Szolgáltatásmegtagadással járó támadás – Hongaars" lang="hu" hreflang="hu" data-title="Szolgáltatásmegtagadással járó támadás" data-language-autonym="Magyar" data-language-local-name="Hongaars" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/DoS" title="DoS – Armeens" lang="hy" hreflang="hy" data-title="DoS" data-language-autonym="Հայերեն" data-language-local-name="Armeens" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Serangan_kegagalan_layanan" title="Serangan kegagalan layanan – Indonesisch" lang="id" hreflang="id" data-title="Serangan kegagalan layanan" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesisch" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/DoS-%C3%A1r%C3%A1s" title="DoS-árás – IJslands" lang="is" hreflang="is" data-title="DoS-árás" data-language-autonym="Íslenska" data-language-local-name="IJslands" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Denial_of_service" title="Denial of service – Italiaans" lang="it" hreflang="it" data-title="Denial of service" data-language-autonym="Italiano" data-language-local-name="Italiaans" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/DoS%E6%94%BB%E6%92%83" title="DoS攻撃 – Japans" lang="ja" hreflang="ja" data-title="DoS攻撃" data-language-autonym="日本語" data-language-local-name="Japans" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/Denial-of-service_attack" title="Denial-of-service attack – Georgisch" lang="ka" hreflang="ka" data-title="Denial-of-service attack" data-language-autonym="ქართული" data-language-local-name="Georgisch" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%84%9C%EB%B9%84%EC%8A%A4_%EA%B1%B0%EB%B6%80_%EA%B3%B5%EA%B2%A9" title="서비스 거부 공격 – Koreaans" lang="ko" hreflang="ko" data-title="서비스 거부 공격" data-language-autonym="한국어" data-language-local-name="Koreaans" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Denial_of_Service" title="Denial of Service – Lombardisch" lang="lmo" hreflang="lmo" data-title="Denial of Service" data-language-autonym="Lombard" data-language-local-name="Lombardisch" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Paskirstyta_paslaugos_trikdymo_ataka" title="Paskirstyta paslaugos trikdymo ataka – Litouws" lang="lt" hreflang="lt" data-title="Paskirstyta paslaugos trikdymo ataka" data-language-autonym="Lietuvių" data-language-local-name="Litouws" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Pakalpojumatteices_uzbrukums" title="Pakalpojumatteices uzbrukums – Lets" lang="lv" hreflang="lv" data-title="Pakalpojumatteices uzbrukums" data-language-autonym="Latviešu" data-language-local-name="Lets" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A1%E0%B4%BF%E0%B4%A8%E0%B4%AF%E0%B4%BF%E0%B5%BD-%E0%B4%93%E0%B4%AB%E0%B5%8D-%E0%B4%B8%E0%B5%BC%E0%B4%B5%E0%B5%80%E0%B4%B8%E0%B5%8D_%E0%B4%85%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B4%BE%E0%B4%95%E0%B5%8D%E0%B4%95%E0%B5%8D%E2%80%8C" title="ഡിനയിൽ-ഓഫ്-സർവീസ് അറ്റാക്ക്‌ – Malayalam" lang="ml" hreflang="ml" data-title="ഡിനയിൽ-ഓഫ്-സർവീസ് അറ്റാക്ക്‌" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/DoS_%D1%85%D0%B0%D0%BB%D0%B4%D0%BB%D0%B0%D0%B3%D0%B0" title="DoS халдлага – Mongools" lang="mn" hreflang="mn" data-title="DoS халдлага" data-language-autonym="Монгол" data-language-local-name="Mongools" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Serangan_penafian-perkhidmatan" title="Serangan penafian-perkhidmatan – Maleis" lang="ms" hreflang="ms" data-title="Serangan penafian-perkhidmatan" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleis" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/Denial-of-service_attack" title="Denial-of-service attack – Birmaans" lang="my" hreflang="my" data-title="Denial-of-service attack" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Birmaans" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Tjenestenektangrep" title="Tjenestenektangrep – Noors - Bokmål" lang="nb" hreflang="nb" data-title="Tjenestenektangrep" data-language-autonym="Norsk bokmål" data-language-local-name="Noors - Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Blokada_us%C5%82ug" title="Blokada usług – Pools" lang="pl" hreflang="pl" data-title="Blokada usług" data-language-autonym="Polski" data-language-local-name="Pools" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o" title="Ataque de negação de serviço – Portugees" lang="pt" hreflang="pt" data-title="Ataque de negação de serviço" data-language-autonym="Português" data-language-local-name="Portugees" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/DoS" title="DoS – Roemeens" lang="ro" hreflang="ro" data-title="DoS" data-language-autonym="Română" data-language-local-name="Roemeens" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/DoS-%D0%B0%D1%82%D0%B0%D0%BA%D0%B0" title="DoS-атака – Russisch" lang="ru" hreflang="ru" data-title="DoS-атака" data-language-autonym="Русский" data-language-local-name="Russisch" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Denial-of-Service_attack" title="Denial-of-Service attack – Simple English" lang="en-simple" hreflang="en-simple" data-title="Denial-of-Service attack" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Napad_za_zavrnitev_storitve" title="Napad za zavrnitev storitve – Sloveens" lang="sl" hreflang="sl" data-title="Napad za zavrnitev storitve" data-language-autonym="Slovenščina" data-language-local-name="Sloveens" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Sulmet_DoS" title="Sulmet DoS – Albanees" lang="sq" hreflang="sq" data-title="Sulmet DoS" data-language-autonym="Shqip" data-language-local-name="Albanees" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/DoS_%D0%BD%D0%B0%D0%BF%D0%B0%D0%B4" title="DoS напад – Servisch" lang="sr" hreflang="sr" data-title="DoS напад" data-language-autonym="Српски / srpski" data-language-local-name="Servisch" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Denial-of-service" title="Denial-of-service – Zweeds" lang="sv" hreflang="sv" data-title="Denial-of-service" data-language-autonym="Svenska" data-language-local-name="Zweeds" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%87%E0%AE%B5%E0%AF%88_%E0%AE%AE%E0%AE%B1%E0%AF%81%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81%E0%AE%A4%E0%AF%8D_%E0%AE%A4%E0%AE%BE%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%A4%E0%AE%B2%E0%AF%8D" title="சேவை மறுப்புத் தாக்குதல் – Tamil" lang="ta" hreflang="ta" data-title="சேவை மறுப்புத் தாக்குதல்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D2%B2%D0%B0%D0%BC%D0%BB%D0%B0%D0%B8_%D0%B1%D0%B0%D0%BD%D0%B4%D0%BE%D0%B2%D0%B0%D1%80%D0%B8%D0%B8_%D1%85%D0%B0%D0%B4%D0%B0%D0%BC%D0%BE%D1%82" title="Ҳамлаи бандоварии хадамот – Tadzjieks" lang="tg" hreflang="tg" data-title="Ҳамлаи бандоварии хадамот" data-language-autonym="Тоҷикӣ" data-language-local-name="Tadzjieks" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%82%E0%B8%88%E0%B8%A1%E0%B8%95%E0%B8%B5%E0%B9%82%E0%B8%94%E0%B8%A2%E0%B8%9B%E0%B8%8F%E0%B8%B4%E0%B9%80%E0%B8%AA%E0%B8%98%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%9A%E0%B8%A3%E0%B8%B4%E0%B8%81%E0%B8%B2%E0%B8%A3" title="การโจมตีโดยปฏิเสธการให้บริการ – Thai" lang="th" hreflang="th" data-title="การโจมตีโดยปฏิเสธการให้บริการ" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Servis_d%C4%B1%C5%9F%C4%B1_b%C4%B1rakma_sald%C4%B1r%C4%B1s%C4%B1" title="Servis dışı bırakma saldırısı – Turks" lang="tr" hreflang="tr" data-title="Servis dışı bırakma saldırısı" data-language-autonym="Türkçe" data-language-local-name="Turks" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/DoS-%D0%B0%D1%82%D0%B0%D0%BA%D0%B0" title="DoS-атака – Oekraïens" lang="uk" hreflang="uk" data-title="DoS-атака" data-language-autonym="Українська" data-language-local-name="Oekraïens" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/DoS_hujum" title="DoS hujum – Oezbeeks" lang="uz" hreflang="uz" data-title="DoS hujum" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Oezbeeks" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/T%E1%BA%A5n_c%C3%B4ng_t%E1%BB%AB_ch%E1%BB%91i_d%E1%BB%8Bch_v%E1%BB%A5" title="Tấn công từ chối dịch vụ – Vietnamees" lang="vi" hreflang="vi" data-title="Tấn công từ chối dịch vụ" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamees" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%8B%92%E7%BB%9D%E6%9C%8D%E5%8A%A1%E6%94%BB%E5%87%BB" title="拒绝服务攻击 – Wuyu" lang="wuu" hreflang="wuu" data-title="拒绝服务攻击" data-language-autonym="吴语" 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class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q131406" title="Koppeling naar item in verbonden gegevensrepository [g]" accesskey="g"><span>Wikidata-item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Paginahulpmiddelen"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Uiterlijk"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Uiterlijk</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">naar zijbalk verplaatsen</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">verbergen</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Uit Wikipedia, de vrije encyclopedie</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="nl" dir="ltr"><p><b>Denial of service</b> (afgekort <b>DoS</b>) is een situatie waarin een computersysteem onbedoeld niet beschikbaar is voor de door de gebruiker verwachte dienstverlening. Deze situatie kan door verschillende oorzaken optreden, maar het begrip wordt het meestal gebruikt wanneer sprake is van sabotage door bijvoorbeeld <a href="/wiki/Computerkraker" title="Computerkraker">computerkraker</a>(s) of activisten. Ook een onbedoelde <a href="/wiki/Bug_(technologie)" title="Bug (technologie)">fout</a> in een programma kan een denial of service veroorzaken. Het gebrek aan <a href="/wiki/Beschikbaarheid" title="Beschikbaarheid">beschikbaarheid</a> van een systeem kan financiële- en/of imagoschade veroorzaken voor zijn eigenaars. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Soorten_DoS">Soorten DoS</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Denial_of_service&veaction=edit&section=1" title="Bewerk dit kopje: Soorten DoS" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Denial_of_service&action=edit&section=1" title="De broncode bewerken van de sectie: Soorten DoS"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="DoS-aanval">DoS-aanval</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Denial_of_service&veaction=edit&section=2" title="Bewerk dit kopje: DoS-aanval" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Denial_of_service&action=edit&section=2" title="De broncode bewerken van de sectie: DoS-aanval"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Er zijn verschillende vormen van een DoS-aanval. </p> <ul><li>het geven van ongeldige commando's waardoor bijvoorbeeld een <a href="/wiki/Bufferoverloop" title="Bufferoverloop">bufferoverloop</a> ontstaat.</li> <li>het consumeren van systeembronnen waardoor ze niet in staat zijn te reageren op andere aanvragen. Een aanvaller kan bijvoorbeeld een netwerkverbinding overspoelen met netwerkaanvragen, waardoor het systeem niet langer bereikbaar is voor anderen. Enkele bekende aanvallen zijn de <i><a href="/wiki/Ping_of_death" title="Ping of death">ping of death</a></i>, <i><a href="/wiki/Smurf_(computeraanval)" title="Smurf (computeraanval)">smurf</a></i> en <i><a href="/wiki/SYN_flood" class="mw-redirect" title="SYN flood">SYN flood</a></i>. In een netwerk zal een <a href="/wiki/Pakketfilter" title="Pakketfilter">pakketfilter</a> dergelijke aanvallen voorkomen. <a href="/wiki/Flooder" title="Flooder">Flooders</a> zijn programma's die specifiek zijn ontworpen om dit soort DoS-aanvallen uit te voeren.</li> <li>het herconfigureren van systeemcomponenten waardoor processen niet doen wat ze moeten doen. Een voorbeeld hiervan is het verminken van de in een systeem opgeslagen routeringsinformatie in bijvoorbeeld het 'hosts' bestand. Dit werd enkele jaren geleden door het weekblad <i><a href="/wiki/Computeridee" class="mw-redirect" title="Computeridee">Computeridee</a></i> aangetoond bij een <a href="/w/index.php?title=Proof_of_concept&action=edit&redlink=1" class="new" title="Proof of concept (de pagina bestaat niet)">proof-of-conceptaanval</a> op de <a href="/wiki/Rabobank" title="Rabobank">Rabobank</a>-website: de hoststabel op een computer werd verminkt, waardoor de link naar de Rabobanksite leidde naar een vervalste website. Wormen voeren dit uit om websites van leveranciers van beveiligingssoftware onbereikbaar te maken, zodat de slachtoffers geen updates kunnen ontvangen of hulp kunnen krijgen.</li> <li>het fysiek vernietigen van systeembronnen, bijvoorbeeld het verwijderen van een netwerkkabel.</li></ul> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Bestand:Stachledraht_DDos_Attack.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Stachledraht_DDos_Attack.svg/260px-Stachledraht_DDos_Attack.svg.png" decoding="async" width="260" height="368" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Stachledraht_DDos_Attack.svg/390px-Stachledraht_DDos_Attack.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Stachledraht_DDos_Attack.svg/520px-Stachledraht_DDos_Attack.svg.png 2x" data-file-width="744" data-file-height="1052" /></a><figcaption>Een DDoS-aanval met behulp van een botnet.</figcaption></figure> <p>Een bijzondere vorm van een denial-of-service aanval is de <a href="/wiki/Distributed_denial_of_service" class="mw-redirect" title="Distributed denial of service">distributed denial of service</a> (DDoS), die op het <a href="/wiki/Internet" title="Internet">internet</a> wordt uitgevoerd gebruikmakend van bijvoorbeeld een <a href="/wiki/Botnet" title="Botnet">botnet</a>. Verschillende criminelen bieden deze functie te huur aan op het internet. <a href="/wiki/Steve_Gibson" title="Steve Gibson">Steve Gibson</a> heeft een uitvoerige beschrijving van het fenomeen opgesteld. </p><p>Een voorbeeld van een DoS-aanval waarbij men gebruikmaakt van bestaande functionaliteit van software of een systeem is een <a href="/wiki/Decompressiebom" title="Decompressiebom">decompressiebom</a>. Hierbij wordt gebruikgemaakt van het (de)comprimeren van een bestand om een systeem uit te schakelen. </p><p>Voor het uitvoeren van soorten DoS-aanvallen zijn er verschillende programma's ontwikkeld, zoals <a href="/w/index.php?title=Jolt2&action=edit&redlink=1" class="new" title="Jolt2 (de pagina bestaat niet)">Jolt2</a>, <a href="/w/index.php?title=Bubonic.c&action=edit&redlink=1" class="new" title="Bubonic.c (de pagina bestaat niet)">Bubonic.c</a> en <a href="/w/index.php?title=Nemesy&action=edit&redlink=1" class="new" title="Nemesy (de pagina bestaat niet)">Nemesy</a>. Bijvoorbeeld <a href="/wiki/Targa_(software)" title="Targa (software)">Targa</a> kan minstens 8 verschillende soorten DoS-aanvallen uitvoeren. </p> <div class="mw-heading mw-heading3"><h3 id="Toevallige_DoS">Toevallige DoS</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Denial_of_service&veaction=edit&section=3" title="Bewerk dit kopje: Toevallige DoS" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Denial_of_service&action=edit&section=3" title="De broncode bewerken van de sectie: Toevallige DoS"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Wanneer een systeem plotseling een groot aantal aanvragen moet verwerken, levert dat per saldo een denial of service op. Bekende voorbeelden zijn het <a href="/wiki/Henny_Huisman" title="Henny Huisman">Henny Huisman</a>-effect (de <a href="/wiki/Televoting" title="Televoting">televoting</a>-actie uit <a href="/wiki/1988" title="1988">1988</a> in de <i>SoundMixShow</i>, die het PTT-netwerk platlegde) en het <a href="/wiki/Slashdot" title="Slashdot">Slashdot</a>-effect, dat optreedt als op de Slashdotwebsite een link wordt gepubliceerd die op dat moment door alle bezoekers gevolgd wordt. </p><p>Een andere bekende DoS viel in 2006 de internetservice rtbf.be van de openbare <a href="/wiki/Radio-T%C3%A9l%C3%A9vision_belge_de_la_Communaut%C3%A9_fran%C3%A7aise" title="Radio-Télévision belge de la Communauté française">Belgische Franstalige radio- en televisiezenders</a> te beurt. Door hun <a href="/wiki/Bye_Bye_Belgium" title="Bye Bye Belgium">fictiereportage</a> over het uiteenvallen van België, waren mensen zo ongerust dat er extreem veel reactie werd uitgelokt. Hierdoor kwamen alle mailsystemen van de <a href="/wiki/Radio-T%C3%A9l%C3%A9vision_belge_de_la_Communaut%C3%A9_fran%C3%A7aise" title="Radio-Télévision belge de la Communauté française">RTBF</a> compleet vast te zitten doordat er gewoonweg een te grote toevoer van berichten was. </p> <div class="mw-heading mw-heading2"><h2 id="Zie_ook">Zie ook</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Denial_of_service&veaction=edit&section=4" title="Bewerk dit kopje: Zie ook" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Denial_of_service&action=edit&section=4" title="De broncode bewerken van de sectie: Zie ook"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Distributed_denial_of_service" class="mw-redirect" title="Distributed denial of service">Distributed denial of service</a> (DDoS)</li></ul> <div class="mw-heading mw-heading2"><h2 id="Externe_link">Externe link</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Denial_of_service&veaction=edit&section=5" title="Bewerk dit kopje: Externe link" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Denial_of_service&action=edit&section=5" title="De broncode bewerken van de sectie: Externe link"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20071128025801/http://www.grc.com/dos/drdos.htm">DDoS uitgelegd door Steve Gibson</a></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Overgenomen van "<a dir="ltr" href="https://nl.wikipedia.org/w/index.php?title=Denial_of_service&oldid=58274466">https://nl.wikipedia.org/w/index.php?title=Denial_of_service&oldid=58274466</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Categorie:Alles" title="Categorie:Alles">Categorie</a>: <ul><li><a href="/wiki/Categorie:Denial-of-service" title="Categorie:Denial-of-service">Denial-of-service</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Deze pagina is voor het laatst bewerkt op 9 feb 2021 om 10:20.</li> <li id="footer-info-copyright">De tekst is beschikbaar onder de licentie <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.nl">Creative Commons Naamsvermelding/Gelijk delen</a>, er kunnen aanvullende voorwaarden van toepassing zijn. 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